Genotypes and frequencies of phenotypes

In a particular species of guppy, tails can either be long or short and either feathered or straight. A cross between a true-breeding long, feather-tailed male guppy and a true-breeding short, straight-tailed female guppy produces progeny that all have short, straight tails.

a) express the genotypes of the adults in the cross and the genotypes of all the progeny.

b) determine the phenotypic frequencies of the progeny in an F2 generation.

c) a mating between a short feather-tailed female and a short, straight-tailed male from the F1 generation produces

If you work out the phenotypes, you will end up with the classic 9:3:3:1 ratio for a regular complete dominant dihybrid cross. There's nothing unusual at this point. In other words, you'll end up with the following ratio:
9 short:straight, 3 ...